Circle > Tangent to Curve and 2 Points

Access: Open this function from one of the following locations:

Create a Circle/Arc tangent to a picked 2D curve passing through 2 picked points.

Required Step 1

Select the required parameters and pick the appropriate entities.

The following parameters are displayed for this Circle function.

Arc /
Circle

This toggle option defines whether the result of this operation is an arc or a circle.

Arc	Create an arc as the result of this operation: ExampleExample
Circle	Create a circle as the result of this operation: ExampleExample

Auto /
Manual

This toggle option defines how the required entities are picked.

Manual

The interaction for the Manual option is as follows:

You can pick the entities in any order and the resultant arc/circle is displayed.

Auto

The interaction for the Auto option is as follows:

Pick a curve. An end point is automatically selected and is considered as the 1st point required for this operation. This Auto selected point is the end point that is closest to the location you indicated when you picked the curve.
ExampleExample
Pick the 2nd point.

You can pick the entities in any order and the resultant arc/circle is displayed.

Pick the appropriate entities to complete the operation: Manual/Auto.

The Circle/Arc is created. There is only one possible solution for each type.

Pick the curve.	The curve is selected as well as its end point.

Note: In the Auto option, picking a curve automatically selects its closest end point as well.
ExampleExample

Pick the curve.	The closest end point is automatically selected.

The Circle/Arc is created.

Notes:

In Auto mode, if you pick a curve and then two points, the system uses the end point of the curve and the last picked point.
ExampleExample

Pick the curve.	Pick the first point.

The system creates a possible solution, as described above. If you pick another point . . .	The resultant arc/circle is according to the end point of the curve and the last picked point.

Click OKOK or ApplyApply in the Feature Guide to complete the function.

When completed, the Circle feature will appear in the Feature Tree.